12621301102755 has 96 divisors (see below), whose sum is σ = 22488929491392. Its totient is φ = 6545759616000.

The previous prime is 12621301102747. The next prime is 12621301102789. The reversal of 12621301102755 is 55720110312621.

12621301102755 is a `hidden beast` number, since 1 + 2 + 621 + 3 + 0 + 1 + 1 + 0 + 27 + 5 + 5 = 666.

It is not a de Polignac number, because 12621301102755 - 2³ = 12621301102747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 189325009 + ... + 189391661.

It is an arithmetic number, because the mean of its divisors is an integer number (234259682202).

Almost surely, 2^{12621301102755} is an apocalyptic number.

12621301102755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12621301102755 is a deficient number, since it is larger than the sum of its proper divisors (9867628388637).

12621301102755 is a wasteful number, since it uses less digits than its factorization.

12621301102755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67509 (or 67506 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 12621301102755 in words is "twelve trillion, six hundred twenty-one billion, three hundred one million, one hundred two thousand, seven hundred fifty-five".